Nelson Gardens Landfill Gas to Energy
Bexar County, Texas · EIA plant ID 59649 · Operator: Nelson Gardens Energy, LLC
Nameplate4MWSummer 4 MW
Generators4in service
Net generation9GWh12 mo to Dec 2025
Capacity factor23%other units, summer MW
Heat rate—thermal plants only
First online2014
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), other units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2014 | 15 | 51.6% | — |
| 2015 | 19.4 | 50.4% | — |
| 2016 | 17.9 | 46.4% | — |
| 2017 | 18.9 | 49.1% | — |
| 2018 | 20 | 51.8% | — |
| 2019 | 15 | 39.0% | — |
| 2020 | 13.9 | 35.9% | — |
| 2021 | 12.9 | 33.5% | — |
| 2022 | 9.3 | 24.2% | — |
| 2023 | 8.5 | 22.1% | — |
| 2024 | 6.7 | 17.3% | — |
| 2025 | 8.8 | 23.0% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| UNIT1 | Landfill Gas | IC | 1.1 | 1.1 | Apr 2014 | Operating | — | coming soon |
| UNIT2 | Landfill Gas | IC | 1.1 | 1.1 | Apr 2014 | Operating | — | coming soon |
| UNIT3 | Landfill Gas | IC | 1.1 | 1.1 | Apr 2014 | Operating | — | coming soon |
| UNIT4 | Landfill Gas | IC | 1.1 | 1.1 | Apr 2014 | Operating | — | coming soon |
Owner / operator
Operator: Nelson Gardens Energy, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Nelson Gardens Energy, LLC | 100.0% | 4 MW |
Nearby plants
Within 80 km.
| Covel Gardens Gas Recovery | retired | 2 km |
| Ferdinand Energy Center | 200 MW | 8.3 km |
| Leon Creek | 230 MW | 8.5 km |
| SunE CPS3 LLC | 11 MW | 12 km |
| HEB_CPS00085 | 2 MW | 12.3 km |
| Commerce Solar | 5 MW | 12.3 km |